29497157 has 2 divisors, whose sum is σ = 29497158. Its totient is φ = 29497156.

The previous prime is 29497133. The next prime is 29497217. The reversal of 29497157 is 75179492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29311396 + 185761 = 5414^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 29497157 - 2⁶ = 29497093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29491157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14748578 + 14748579.

It is an arithmetic number, because the mean of its divisors is an integer number (14748579).

Almost surely, 2^29497157 is an apocalyptic number.

It is an amenable number.

29497157 is a deficient number, since it is larger than the sum of its proper divisors (1).

29497157 is an equidigital number, since it uses as much as digits as its factorization.

29497157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 44.

The square root of 29497157 is about 5431.1285199303. The cubic root of 29497157 is about 308.9774039746.

The spelling of 29497157 in words is "twenty-nine million, four hundred ninety-seven thousand, one hundred fifty-seven".